201880490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{412001}}^1$

素因数の和:412022

約数の個数: 24

約数和(自身を含む): 422714052

約数和(自身を除く): 220833562

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 412001, 824002, 2060005, 2884007, 4120010, 5768014, 14420035, 20188049, 28840070, 40376098, 100940245, 201880490]

約数ペア:

[(1, 201880490), (2, 100940245), (5, 40376098), (7, 28840070), (10, 20188049), (14, 14420035), (35, 5768014), (49, 4120010), (70, 2884007), (98, 2060005), (245, 824002), (490, 412001)]